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Evening ... warm light penetrates the swirling gaseous nebulae, X-rayed light of massive stars through the cold depths of space in the system Tsiladra. This moment comes once in a thousand years, when the nebula dissipated, and again begins to curl up in a deep crater.

It is easy to create this nebula, but need 1-2 weeks of practic. I use basic brushes with 1-100% of opacity. First step - create nebula background with light color. Then draw with more dark colord in new layers, use snmudge tool if need, go from light to black colors. Then draw with white\black brushes in overlay to make more deep. Just try to draw more and all will be after some time).